uppermost

USUP-ur-mohst/ˈʌpɚˌmoʊst/UKUP-uh-mohst/ˈʌpəməʊst/

4 meanings of uppermost

1
adjective
Highest up, or closest to the top of something.
Like the top floor of a tall building: the part that is highest up.
The uppermost branches of the tree were full of birds.
Keep the heavy boxes at the bottom and the light ones uppermost.
Similarhighest, topmost, top
Oppositelowest, bottom, bottommost
Note
2
adjective
Most important, or highest in rank.
Like the number one spot on a list: the thing that matters most.
Safety was the uppermost concern on everyone's mind.
Her family's needs were always uppermost when she made plans.
Similarparamount, foremost, predominant, dominant, primary
Oppositesecondary, minor
Note
3
adverb
In or to the highest position, on top of everything.
Like putting the best apple on top so people see it first.
Stack the fragile plates so the lightest one sits uppermost.
She folded the map with the city side facing uppermost.

Less common meaning

4
adjectiverare
Superlative of upper. It means highest, the one at the very top.
The uppermost layer of paint had begun to peel.
Birds nested in the uppermost part of the old barn.
Note

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Origin

From Middle English upper-moste, made from upper plus -most.